8668786434 has 64 divisors (see below), whose sum is σ = 22555514880. Its totient is φ = 2153733120.

The previous prime is 8668786417. The next prime is 8668786439. The reversal of 8668786434 is 4346878668.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (8668786439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 397279 + ... + 418530.

It is an arithmetic number, because the mean of its divisors is an integer number (352429920).

Almost surely, 2^8668786434 is an apocalyptic number.

8668786434 is an abundant number, since it is smaller than the sum of its proper divisors (13886728446).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8668786434 is a wasteful number, since it uses less digits than its factorization.

8668786434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 815855.

The product of its digits is 37158912, while the sum is 60.

The square root of 8668786434 is about 93106.3179059295. The cubic root of 8668786434 is about 2054.2475037436.

The spelling of 8668786434 in words is "eight billion, six hundred sixty-eight million, seven hundred eighty-six thousand, four hundred thirty-four".